A 28-year-old with type 1 diabetes presents with DKA: pH 7.12, glucose 480 mg/dL, bicarbonate 10 mEq/L, anion gap 24, serum K⁺ 2.9 mEq/L. After initial fluids are started, the next best step is to:ABegin IV regular insulin infusion at 0.1 units/kg/h immediatelyBGive sodium bicarbonate infusion until pH >7.2CAdminister 10 units IV insulin bolus then 0.1 units/kg/hDStart insulin infusion and give KayexalateEHold insulin and aggressively replete potassium until K⁺ ≥3.3 mEq/LCheck my answer